2740260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 7761600

約数和(自身を除く): 5021340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 419, 436, 545, 654, 838, 1090, 1257, 1308, 1635, 1676, 2095, 2180, 2514, 3270, 4190, 5028, 6285, 6540, 8380, 12570, 25140, 45671, 91342, 137013, 182684, 228355, 274026, 456710, 548052, 685065, 913420, 1370130, 2740260]

約数ペア:

[(1, 2740260), (2, 1370130), (3, 913420), (4, 685065), (5, 548052), (6, 456710), (10, 274026), (12, 228355), (15, 182684), (20, 137013), (30, 91342), (60, 45671), (109, 25140), (218, 12570), (327, 8380), (419, 6540), (436, 6285), (545, 5028), (654, 4190), (838, 3270), (1090, 2514), (1257, 2180), (1308, 2095), (1635, 1676)]